Lionel Luthor returns to Smallvlle this Friday.

How will this classic character play a role on the episode aptly titled "Luthor?" Look for Clark to accidentally activate a Kryptonian box that sends him to a parallel universe in which Lionel is actually the one to discover Clark in a cornfield, as opposed to the Kents.

In this dimension, Clark Luthor is a murderer. Intrigued? So are we. To get even more excited for the new installment, click on the following images and enlarge scenes from the upcoming hour:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.